Biography
Dermot O'Neill is an Irish actor. He is known for portraying Grandad Brown (also referred to as Harold Brown) in the BBC sitcom Mrs. Brown's Boys, appearing in the original stage-derived series from 2002, the BBC television series from 2011 onwards, live tours, and the 2014 film Mrs. Brown's Boys D'Movie.
O'Neill began working with the production after being recruited while employed as Brendan O'Carroll's window cleaner. His other screen credits include the role of the One Legged Beggar in the 2003 film Spin the Bottle.
